




'''simple docstring'''


class  __lowercase    :







   def __init__(						self   )					->     int:
     __a								=       {}







   def 		UpperCamelCase__      (						self   )					->     None:
     print(self.vertex   )
     for i in self.vertex:
       print(UpperCamelCase   ,				' -> '   ,				' -> '.join([str(UpperCamelCase   ) for j in self.vertex[i]]   )   )







   def 		UpperCamelCase__      (						self   ,				UpperCamelCase   ,				UpperCamelCase   )					->     None:
     # check if vertex is already present,
     if from_vertex in self.vertex:
       self.vertex[from_vertex].append(UpperCamelCase   )
     else:
       # else make a new vertex
       __a								=       [to_vertex]







   def 		UpperCamelCase__      (						self   )					->     None:
     # visited array for storing already visited nodes
     __a								=       [False] * len(self.vertex   )

     # call the recursive helper function
     for i in range(len(self.vertex   )   ):
       if not visited[i]:
         self.dfs_recursive(UpperCamelCase   ,				UpperCamelCase   )







   def 		UpperCamelCase__      (						self   ,				UpperCamelCase   ,				UpperCamelCase   )					->     None:
     # mark start vertex as visited
     __a								=       True

     print(UpperCamelCase   ,				end=' '   )

     # Recur for all the vertices that are adjacent to this node
     for i in self.vertex:
       if not visited[i]:
         self.dfs_recursive(UpperCamelCase   ,				UpperCamelCase   )


if __name__ == "__main__":
  UpperCAmelCase_					=   Graph()
  g.add_edge(0, 1)
  g.add_edge(0, 2)
  g.add_edge(1, 2)
  g.add_edge(2, 0)
  g.add_edge(2, 3)
  g.add_edge(3, 3)

  g.print_graph()
  print("DFS:")
  g.dfs()

  # OUTPUT:
  # 0  ->  1 -> 2
  # 1  ->  2
  # 2  ->  0 -> 3
  # 3  ->  3
  # DFS:
  #  0 1 2 3









'''simple docstring'''


import copy
from dataclasses import dataclass, field
from typing import ClassVar, Dict

from ..features import Audio, ClassLabel, Features
from .base import TaskTemplate





@dataclass(frozen=__magic_name__			)
class  __lowercase    (	__magic_name__			):
   _a    						=   field(default="""audio-classification"""							,				metadata={"""include_in_asdict_even_if_is_default""": True}			)
   _a    						=   Features({"""audio""": Audio()}			)
   _a    						=   Features({"""labels""": ClassLabel}			)
   _a    						=   "audio"
   _a    						=   "labels"







   def 		UpperCamelCase__      (						self   ,				UpperCamelCase   )					->     Dict:
     if self.label_column not in features:
       raise ValueError(f"Column {self.label_column} is not present in features."   )
     if not isinstance(features[self.label_column]   ,				UpperCamelCase   ):
       raise ValueError(f"Column {self.label_column} is not a ClassLabel."   )
     __a								=       copy.deepcopy(self   )
     __a								=       self.label_schema.copy()
     __a								=       features[self.label_column]
     __a								=       label_schema
     return task_template







   @property
   def 		UpperCamelCase__      (						self   )					->     Dict[str, str]:
     return {
         self.audio_column: "audio",
         self.label_column: "labels",
     }



